<template>
    <div class="header">
        <!-- 折叠按钮 -->
        <div class="collapse-btn" @click="collapseChage">
            <i v-if="!collapse" class="el-icon-s-fold"></i>
            <i v-else class="el-icon-s-unfold"></i>
        </div>
        <div class="logo">后台管理系统</div>
        <div class="header-right">
            <div class="header-user-con">
                <!-- 全屏显示 -->
                <div class="btn-fullscreen" @click="handleFullScreen">
                    <el-tooltip effect="dark" :content="fullscreen ? `取消全屏` : `全屏`" placement="bottom">
                        <i class="el-icon-rank"></i>
                    </el-tooltip>
                </div>
                <!-- 消息中心 -->
                <div class="btn-bell">
                    <el-tooltip effect="dark" :content="message ? `有${message}条未读消息` : `消息中心`" placement="bottom">
                        <router-link to="/tabs">
                            <i class="el-icon-bell"></i>
                        </router-link>
                    </el-tooltip>
                    <span class="btn-bell-badge" v-if="message"></span>
                </div>
                <!-- 用户头像 -->
                <div class="user-avator">
                    <img :src="loginAdmin.avatar" />
                </div>
                <!-- 用户名下拉菜单 -->
                <el-dropdown class="user-name" trigger="click" @command="handleCommand">
                    <span class="el-dropdown-link">
                        {{ username }}
                        <i class="el-icon-caret-bottom"></i>
                    </span>
                    <el-dropdown-menu slot="dropdown">
                        <el-dropdown-item divided command="">
                            <el-link :underline="false" @click="PersonalInfo()">个人信息</el-link>
                        </el-dropdown-item>
                        <el-dropdown-item>
                            <el-link :underline="false" @click="dialogFormVisible = true">修改密码</el-link>
                        </el-dropdown-item>
                        <el-dropdown-item divided>
                            <el-link :underline="false" @click="loginout">退出登录</el-link>
                        </el-dropdown-item>

                    </el-dropdown-menu>
                </el-dropdown>

            </div>
        </div>

        <el-dialog title="修改密码" :visible.sync="dialogFormVisible">
            <el-form :model="ruleForm" status-icon :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
                <el-form-item label="原密码" prop="pass">
                    <el-input type="password" v-model="ruleForm.pass" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="新密码" prop="newPass">
                    <el-input type="password" v-model.number="ruleForm.newPass" autocomplete="off"></el-input>
                </el-form-item>
                <el-form-item label="确认密码" prop="checkPass">
                    <el-input type="password" v-model="ruleForm.checkPass" autocomplete="off"></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="dialogFormVisible = false">取 消</el-button>
                <el-button @click="resetForm('ruleForm')">重置</el-button>
                <el-button type="primary" @click="editPassword(ruleForm.pass,ruleForm.checkPass)">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>
<script>
import bus from '../common/bus';
import Vue from 'vue';
import axios from 'axios';
import VueAxios from 'vue-axios';
Vue.use(VueAxios, axios);
export default {
    data() {
        let validatePass = (rule, value, callback) => {
            if (value === '') {
                callback(new Error('请输入密码'));
            } else {
                callback();
            }
        };
        let checkNewPass = (rule, value, callback) => {
            if (value === '') {
                return callback(new Error('新密码不能为空'));
            } else {
                if (this.ruleForm.checkPass !== '') {
                    this.$refs.ruleForm.validateField('checkPass');
                }
                callback();
            }
        };
        let validatePass2 = (rule, value, callback) => {
            if (value === '') {
                callback(new Error('请再次输入密码'));
            } else if (value != this.ruleForm.newPass) {
                callback(new Error('两次输入密码不一致!'));
            } else {
                callback();
            }
        };
        return {
            collapse: false,
            fullscreen: false,
            name: 'yuxin',
            message: 2,
            dialogFormVisible:false,
            ruleForm:{
            pass: '',
            newPass: '',
            checkPass: '',
            },
            loginAdmin:{},
            rules: {
                pass: [
                    { validator: validatePass, trigger: 'blur' }
                ],
                newPass: [
                    { validator: checkNewPass, trigger: 'blur' }
                ],
                checkPass: [
                    { validator: validatePass2, trigger: 'blur' }
                ],
            },
        };
    },
    computed: {
        username() {
            let username = localStorage.getItem('ms_username');
            return username ? username : this.name;
        }

    },
    created() {
        this.initUserInfo();
    },
    methods: {
        resetForm(formName) {
            this.$refs[formName].resetFields();
        },
        PersonalInfo(){
            this.$router.push({ path : '/myList'})
        },
        //初始化用户信息
        initUserInfo(){
            axios.get("/system/api/admin/info").then(result=>{
                if(result.data.code === 200){
                    this.loginAdmin = result.data.data;
                    window.sessionStorage.setItem('loginAdminId',this.loginAdmin.userId);
                }
            })
        },
        // 修改密码
        editPassword(password,newPassword){
            axios.put(`/system/api/admin/modifyPassword/${password}/${newPassword}`,this.loginAdmin).then(resp =>{
                if(resp.data.code === 200){
                    this.$message({
                        showClose: true,
                        message: '修改成功',
                        type: 'success'
                    });
                    this.dialogFormVisible = false;
                    clearTimeout(this.timer); //清除延迟执行
                    this.timer = setTimeout(()=>{  //设置延迟执行
                        this.loginout();
                    },1000);
                }
            })
        },
        loginout(){
            // axios.post("/system/api/admin/logout").then(result=>{
            //     this.$router.push('/login');
            // })
            this.$router.push('/login');
        },
        // 用户名下拉菜单选择事件
        handleCommand(command) {

        },
        // 侧边栏折叠
        collapseChage() {
            this.collapse = !this.collapse;
            bus.$emit('collapse', this.collapse);
        },
        // 全屏事件
        handleFullScreen() {
            let element = document.documentElement;
            if (this.fullscreen) {
                if (document.exitFullscreen) {
                    document.exitFullscreen();
                } else if (document.webkitCancelFullScreen) {
                    document.webkitCancelFullScreen();
                } else if (document.mozCancelFullScreen) {
                    document.mozCancelFullScreen();
                } else if (document.msExitFullscreen) {
                    document.msExitFullscreen();
                }
            } else {
                if (element.requestFullscreen) {
                    element.requestFullscreen();
                } else if (element.webkitRequestFullScreen) {
                    element.webkitRequestFullScreen();
                } else if (element.mozRequestFullScreen) {
                    element.mozRequestFullScreen();
                } else if (element.msRequestFullscreen) {
                    // IE11
                    element.msRequestFullscreen();
                }
            }
            this.fullscreen = !this.fullscreen;
        }
    },
    mounted() {
        if (document.body.clientWidth < 1500) {
            this.collapseChage();
        }
    }
};
</script>
<style scoped>
.header {
    position: relative;
    box-sizing: border-box;
    width: 100%;
    height: 70px;
    font-size: 22px;
    color: #fff;
}
.collapse-btn {
    float: left;
    padding: 0 21px;
    cursor: pointer;
    line-height: 70px;
}
.header .logo {
    float: left;
    width: 250px;
    line-height: 70px;
}
.header-right {
    float: right;
    padding-right: 50px;
}
.header-user-con {
    display: flex;
    height: 70px;
    align-items: center;
}
.btn-fullscreen {
    transform: rotate(45deg);
    margin-right: 5px;
    font-size: 24px;
}
.btn-bell,
.btn-fullscreen {
    position: relative;
    width: 30px;
    height: 30px;
    text-align: center;
    border-radius: 15px;
    cursor: pointer;
}
.btn-bell-badge {
    position: absolute;
    right: 0;
    top: -2px;
    width: 8px;
    height: 8px;
    border-radius: 4px;
    background: #f56c6c;
    color: #fff;
}
.btn-bell .el-icon-bell {
    color: #fff;
}
.user-name {
    margin-left: 10px;
}
.user-avator {
    margin-left: 20px;
}
.user-avator img {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 50%;
}
.el-dropdown-link {
    color: #fff;
    cursor: pointer;
}
.el-dropdown-menu__item {
    text-align: center;
}
</style>
